Upgrade your vehicle's engine compartment with the NAPA Echlin TS6641 Temperature Sender Switch, designed for a precise fit on your Catalina, Topkick, or El Camino. This metal sensor is crafted to meet high standards, ensuring reliable performance and easy installation with its wired, direct-fit design. The package includes two sensors, both featuring a screw-in mounting style and a single wire quantity, for a seamless replacement experience. Each sensor is equipped with mini-blade terminals for a secure connexion to your vehicle's system. The yellow male connector adds an extra layer of durability and convenience. With OE/OEM part numbers including 25036135, 25037346, and 8993115, you can trust in the authenticity and compatibility of these sensors, proudly manufactured in Mexico, without the worry of universal fitment. Note: This product may have a warning regarding California Prop 65 without the presence of a mercury symbol. Exact item set is shown. New old stock with original packaging. Thread-in switch with one blade. Made in Mexico. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties.